Merge pull request #246 from futurestudio/dependabot/npm_and_yarn/esl…

…int-plugin-promise-6.4.0

Bump eslint-plugin-promise from 6.2.0 to 6.4.0

package.json

@@ -21,7 +21,7 @@
     "eslint-config-standard": "~17.1.0",
     "eslint-plugin-import": "~2.29.1",
     "eslint-plugin-node": "~11.1.0",
-    "eslint-plugin-promise": "~6.2.0",
+    "eslint-plugin-promise": "~6.4.0",
     "eslint-plugin-standard": "~5.0.0",
     "handlebars": "~4.7.8",
     "nyc": "~17.0.0",